Altra Industrial Motion Warner Electric PB-250 Installation Instructions Manual - Page 14

Browse online or download pdf Installation Instructions Manual for Industrial Equipment Altra Industrial Motion Warner Electric PB-250. Altra Industrial Motion Warner Electric PB-250 18 pages. Primary brakes

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PB-250 Flange Mounted Brake

For Bore & Keyway

sizes see chart below .

Std . Armature

Antibacklash

Armature

Armature View

.437

Max .

3 .500/3 .498 Pi lot

Diameter

Field View

*Mounting holes are within .010 of true po si tion relative to pilot diameter .

Customer Shall Maintain:

1 . Squareness of brake mounting face with armature hub

shaft within .006 T .I .R .

2 . Concentricity of brake mounting pilot diameter with

armature shaft within .010 T .I .R .

14 Warner Electric • 800-825-9050

24°

12°

.437 Max .

2 .625 Sq .

45°

.204/1 .87 diameter (4) holes equally

spaced on 3 .125 diameter

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.343 Max .

.015 When New

.171 (Std .)

.187 (Anti .)

1 .187

Std . Arm .

2 .625

Max .

Dia .

1 .390

Anti . Arm .

.203 Min .

.687 (Std .)

.718 (Anti .)

Bore and Keyway Di men sions

Armature Bore Dia.

.376/ .375

* .438/ .437

.501/ .500

* .563/ .562

.626/ .625

* .688/ .687

.751/ .750

*Available on special order only .

Shaft Sizes

Static Torque

Maximum Speed

Standard Voltage

1 .250

1 .078

.718

1 .063

1 .061

Pilot Dia .

#8-32

UNC-3A

.015

.062

1 .968 (Std .)

1 .984 (Anti .)

Keyway

.093 x .046

.125 x .062

.187 x .093

.250 – .375

15 lb . in .

10,000 rpm

D .C . 6, 24, 90

P-201-WE • 819-0480

.437

Max .